瓦氏鳳仙花檢視原始碼討論檢視歷史
| 瓦氏鳳仙花 |
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中文學名:瓦氏鳳仙花 拉丁學名:Impatiens waldheimiana Hook. f. 界:植物界 科:鳳仙花科 屬:鳳仙花屬 種:瓦氏鳳仙花 分布區域:四川西部 |
瓦氏鳳仙花（學名：Impatiens waldheimiana），為鳳仙花科鳳仙花屬下的一個植物種。
形態特徵
高大草本，全株無毛。莖直立，有分枝；枝和小枝斜升。
葉互生，具柄；葉片膜質，卵形，長6-10厘米，頂端尾狀漸尖，最上部葉基部圓形，其餘的基部尖或漸尖，漸狹成長3-5厘米的粗葉柄，向基部邊緣常有具柄的腺體，邊緣具粗圓齒狀鋸齒，齒間無剛毛，側脈5-7對，纖細。
總花梗生於莖枝上部葉腋，長3-4厘米，具2花；花梗極短，中部具1苞片；花大，開展，長4厘米；側生萼片2，卵形，長14毫米，頂端芒狀漸尖，基部心形，彎處狹，中肋背面增厚，中下部具龍骨狀突起。旗瓣大，圓形，寬2.2厘米，基部截形，螺殼狀，中肋背面稍具翅，翅具外彎的突尖；翼瓣具寬短柄，長約3厘米，2裂，基部裂片小，緊貼上部裂片，卵形，頂端漸尖，具細絲，上部裂片大，半月形，頂端鈍，背部具長而反折的小耳；唇瓣寬漏斗狀，長2.5厘米，口部近平展，長25毫米，先端漸尖，基部漸狹成遠短於檐部、內彎頂端2深裂的距。花絲細線形，長5毫米；花葯2室，頂端鈍。
子房卵狀，漸尖。蒴果未詳 [1]
Plants glabrous. Stem erect; branches and branchlets ascending. Leaves alternate; petiole 3-5 cm, stout; leaf blade ovate, 6-10 cm, membranous, often with stipitate glands at basal margin, lateral veins 5-7 pairs, fine, bases of lower and middle leaves cuneate or narrowly cuneate, attenuate into petiole, base of upper ones rounded, margin coarsely crenate-serrate, apex caudate-acuminate. Inflorescences in upper leaf axils, 2-flowered; peduncles 3-4 cm. Pedicels very short, bracteate at middle. Flowers spreading, large, ca. 4 cm deep. Lateral sepals 2, ovate, ca. 1.4 cm, base cordate, apex aristate-acuminate, abaxial midvein thickened, carinate below middle. Lower sepal broadly funnelform, ca. 2.5 cm deep, gradually narrowed into an incurved spur; spur shorter than limb, 2-lobed; mouth subvertical, ca. 2.5 cm, tip acuminate. Upper petal orbicular, large, ca. 2.2 cm, cucullate, base truncate, apex recurved-rostellate, abaxial midvein slightly thickened; lateral united petals broadly shortly clawed, ca. 3 cm, 2-lobed; basal lobes small, ovate, apex acuminate, with a long filamentous hair; distal lobes lunar, large, apex obtuse; auricle inflexed, long. Filaments linear, ca. 5 mm; anthers obtuse. Ovary ovoid. Capsule unknown. Fl. Jul-Aug.
● W Sichuan.
瓦氏鳳仙花產地
四川西部。
未見到標本，上述描述譯自原始記載。據Hooker 的記載，認為此種是一美麗、具大型葉和大花的種，它以側生萼片卵形，基部心形，頂端具芒狀突尖，與其他種相區別。